Polymer manholes of nominal diameters from 315 to 2400 mm with a maximum temperature of permanent effluent up to 40 degrees Celsius and short-term effluent up to 60 degrees Celsius for PE manholes and up to 60 degrees Celsius and short-term effluent up to 95 degrees Celsius for PP manholes, as well as for protection and maintenance of pressure and non-pressure pipeline assemblies.
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